<form action="cutPic.action" method="post">
  <input type="hidden" name="image.x" id="x" />
  <input type="hidden" name="image.y" id="y" />
  <input type="hidden" name="image.width" id="width" />
  <input type="hidden" name="image.height" id="height" />
  <input type="submit" value="确定" />
</form>
